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This paper describes the optimal design of a miniature fiber-optic linear displacement sensor. It is characterized by its ability to measure displacements along a millimetric range with sub-micrometric
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Reflective Intensity Modulated Fiber Optic Sensors (RIM-FOS) were firstly described in 1966 in US Patents No. 3273447 by Frank and one year later in US Patent No. 3327584 by
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A reflective displacement sensor utilizing three fibers, one transmitting and two receiving with different core diameters, is described in this paper. On the basis of optical field distribution of
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Compared to conventional transducers, optical fiber sensors show very high performances in their response to many physical parameters such as displacement, pressure, temperature and electric field.
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An optical fiber sensing method based on a reflective grating panel is demonstrated for lateral displacement measurement. The reflective panel is a homemade grating with a periodic
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Highlights • A differential reflective fiber-optic sensor is proposed to measure angular displacement. • A theoretical model verified by the experimental measurements was established to
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In this brief communication, we report all fiber optic displacement sensor using different reflectors such as plane, convex and concave. The experiment has been performed in the context of
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We have developed the basic coupling efficiency equations for reflective sensors and the effects of various misalignments on the sensor performance are studied. We have carried out the experimental
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Recently, a differential reflective fiber-optic sensor for angular displacement measurement exploiting the fact that the distance between the emitting fiber and the receiving fiber shifts only the angular-power
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Introduced Fiber Optic Displacement measurement principle, Through setting the reference channel, useing of modulation and demodulation technology the system eliminates interference caused by
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Overlap Integral Factor Applied to Reflective Fiber Optic Displacement Sensor: Theory and Experiment João Marcos Salvi Sakamoto1, Ricardo Tokio Higuti1, Gefeson Mendes Pacheco2, Cláudio Kitano1
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Intensity-modulated optical fiber angular sensors (OFAS) have been studied for their advantages in lean angle measurement 22 and angular displacement sensing 23. Reflective OFDS
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First, zero adjustment is required to make the optical fiber probe just fit the reflective surface, the spiral micrometer with 0.02mm resolution is mounted on the other end of the bracket to drive the reflective
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Modulation functions of fibre optical displacement sensors, based on the principle of reflective intensity modulation, are calculated. Effects of surface features, such as reflectivity slope and inclination of
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2. Hardware Design of the Measurement System The measurement system consists of optical fiber probe, reflective surface, CSY-998G sensor experiment instrument, spiral micrometer, aluminum
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Imaging a single optical fiber onto a remote, reflective target using several wavelengths - while exploiting the chromatic dispersion of the imaging
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The recent developed and applications of plastic fiber optic displacement sensors (FODSs) based on intensity modulation technique are reviewed in this paper. In the evolvements of FODSs,
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We propose a novel non-contact optical fiber displacement sensor. It uses a radio frequency (RF) interrogation technique which is based on
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Here, we present a comprehensive analytical model for multi-axis tilt sensing based on intensity-modulated optical fiber sensors (OFDSs).
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Help students deeply understand the principle of optical fiber sensing and practical application, grasp basic skills. This experiment can be used as thematic or comprehensive experiment for related courses.
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Displacement measurements are of significant importance in a variety of critical scientific and engineering fields, such as gravitational wave detection, geophysical research, and
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The paper describes a technique to determine the refractive index of liquids using reflective type fiber optic displacement sensor. The sensor consists of two multimode step index fibers and a mirror.
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This paper presents a linear fiber optic displacement sensor for the use over a large range based on the macro-bending loss. The sensor incorporates an extremely simple design, light source
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Due to the benefit of multiple parallel channels within single cladding and easy implementation of multi-input multioutput technique, we present the spatial division multiplexing
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PDF | An optical fiber sensing method based on a reflective grating panel is demonstrated for lateral displacement measurement.
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In this paper, an optical fiber measurement method for lateral displacement is presented, and a reflective grating panel is fabricated. The measurement method and system for displacement
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We present a fiber optic displacement measurement model based on finite reflective plate. The theoretical model was derived, and simulation analysis of light intensity distribution, reflective
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